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EX9253
Hardware manual
Juniper EX9253 Hardware Manual page 7
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:
Quick start manual
(14 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
Troubleshoot Temperature Alarms in EX Series Switches
| 165
Understand Alarm Types and Severity Levels on EX Series Switches
| 171
Chassis Component Alarm Conditions on EX9253 Switches
| 172
Monitor System Log Messages
| 179
6
Contacting Customer Support and Returning the Chassis or Components
Returning an EX9253 Chassis or Components
| 188
Returning an EX9253 Switch or Component for Repair or Replacement
| 188
Locating the Serial Number on an EX9253 Switch or Component
| 189
Locating the Serial Number ID Label on an EX9253 Switch Chassis
| 190
Locating Serial Number ID Labels on FRU Components
| 190
Contact Customer Support to Obtain Return Material Authorization
| 193
Packing an EX9253 Switch or Component
| 194
Packing an EX9253 Switch
| 195
Packing EX9253 Switch Components for Shipping
| 196
7
Safety and Compliance Information
General Safety Guidelines and Warnings
| 199
Definitions of Safety Warning Levels
| 200
Qualified Personnel Warning
| 202
Warning Statement for Norway and Sweden
| 202
Fire Safety Requirements
| 203
Installation Instructions Warning
| 204
Chassis and Component Lifting Guidelines
| 205
Restricted Access Warning
| 205
Ramp Warning
| 207
Rack-Mounting and Cabinet-Mounting Warnings
| 207
Grounded Equipment Warning
| 211
Radiation from Open Port Apertures Warning
| 212
vii
Table of
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Chapters
Table of Contents
3
Ex9253 Cooling System
30
AC Power Supply Description
36
Ex9253 Network Cable and Transceiver Planning/Pluggable Transceivers Supported on an Ex9253 Switch
66
Pinouts
76
Initial Installation and Configuration
81
Maintaining Components
118
Problem Description
169
Safety and Compliance Information
206
Table of Contents
Troubleshooting
Troubleshooting Hardware
168
Troubleshooting EX9253 Components
169
Troubleshooting the Power Supply in an EX9253 Switch
170
Troubleshooting Line Cards in an EX9253 Switch
172
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